Abstract

BackgroundContralateral sudden sensorineural hearing loss (SNHL) occurring after cerebellopontine surgery is rare. Presentation of petroclival meningioma followed by contralateral SNHL as a result of cerebellopontine surgery is quite uncommon, with only one case being previously reported. AimHere, a case of contralateral sensorineural hearing loss after supra- and infratentorial approach surgery is discussed including its incidence, potential mechanisms and treatment. Case reportA woman was presented with 6-months of double vision. Magnetic resonance imaging (MRI) revealed a tumor located at the apex of the left petrosalbone. The tumor was removed and pathological examination revealed a meningioma that could be treated with combined supra- and infratentorial approach surgery. Four days following surgery, the patient complained of contralateral hearing loss, which was confirmed using audiometry. Postoperative brain computed tomography (CT) and MRI revealed normal results. The patient was treated with heparin and acupuncture and her hearing gradually recovered over a 6-month period. ConclusionsChoosing the appropriate approach for cerebellopontine surgery is critical. During supra- and infratentorial approach surgery, there should be minimal damage to the veins, cochlea, labyrinth and CSF should be slowly released. Heparin and acupuncture may be therapeutic alternatives for patients who develop contralateral sensorineural hearing loss.

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